homology equivalent complex是什么意思

用法例句

By test analysis of several common fiber materials to improving concrete strength under the same cost condition,the paper gives relative conclusion.

通过在同等造价情况下 ,几种常用纤维材料对提高混凝土强度的试验分析 ,得出其对比结论 ,是佳密克丝钢纤维砼抗折、抗压强度最高。